Home / 15,072,808.84-20,800,030.74-8,547,034.12

Finding the Fourth Proportional to 15,072,808.84, 20,800,030.74 and 8,547,034.12

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Solution

The fourth proportional to 15,072,808.84, 20,800,030.74 and 8,547,034.12 is: 11,794,654.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072,808.84 : 20,800,030.74 = 8,547,034.12 : x
  2. Step 2: Convert to fraction form
    15,072,808.84/20,800,030.74 = 8,547,034.12/x
  3. Step 3: Cross multiply
    15,072,808.84x = 20,800,030.74 × 8,547,034.12
  4. Step 4: Simplify right side
    15,072,808.84x = 177,778,572,431,828.81
  5. Step 5: Solve for x
    x = 177,778,572,431,828.81/15,072,808.84
  6. Step 6: Final answer
    x = 11,794,654.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.